Approximate integrals of motion [PDF]
Olivier Bienaymé, Gregor TravenWe determine approximate numerical integrals of motion of 2D symmetric Hamiltonian systems. We detail for a few gravitational potentials the conditions under which quasi-integrals are obtained as polynomial series. We show that each of these potentials has a wide range of regular orbits that are accurately modelled with a unique approximate integral of motion.View original: http://arxiv.org/abs/1211.6306
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